2164328573832 has 48 divisors (see below), whose sum is σ = 5915500519500. Its totient is φ = 714824113536.

The previous prime is 2164328573831. The next prime is 2164328573861. The reversal of 2164328573832 is 2383758234612.

2164328573832 is a `hidden beast` number, since 2 + 1 + 6 + 4 + 32 + 8 + 573 + 8 + 32 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1743810045156 + 420518528676 = 1320534^2 + 648474^2 .

It is not an unprimeable number, because it can be changed into a prime (2164328573831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137882607 + ... + 137898302.

Almost surely, 2^{2164328573832} is an apocalyptic number.

It is an amenable number.

2164328573832 is an abundant number, since it is smaller than the sum of its proper divisors (3751171945668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2164328573832 is a wasteful number, since it uses less digits than its factorization.

2164328573832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275781030 (or 275781023 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 54.

The spelling of 2164328573832 in words is "two trillion, one hundred sixty-four billion, three hundred twenty-eight million, five hundred seventy-three thousand, eight hundred thirty-two".